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FAQ
I/O Terminal Connector - Pin Assignment
Pin
Function
Description
1
DO_NO
Digital output implementation; Pin7 to COM (Pin6) is a Photo-coupled relay on
Normal Open status. External device can directly connect to the terminals.
2
DO__COM
However the current that will go through the 2 nodes must not exceed 130mA. An
external "Relay" can also be connected to the terminals as an implementation. In
this case, current (or/and voltage) limitation is specified by the external Relay.
3
DI
Connect to GND to activate, or leave floating (or unconnected) to deactivate.
4
GND
5
Audio In
2 way Audio connectors , and connect to GND to activate
6
Audio Out
7
GND
49
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